These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / sh / include / asm / dma-mapping.h

diff --git a/kernel/arch/sh/include/asm/dma-mapping.h b/kernel/arch/sh/include/asm/dma-mapping.h
index b437f2c..a3745a3 100644 (file)
--- a/kernel/arch/sh/include/asm/dma-mapping.h
+++ b/kernel/arch/sh/include/asm/dma-mapping.h
@@ -9,86 +9,13 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
        return dma_ops;
 }
 
-#include <asm-generic/dma-coherent.h>
-#include <asm-generic/dma-mapping-common.h>
-
-static inline int dma_supported(struct device *dev, u64 mask)
-{
-       struct dma_map_ops *ops = get_dma_ops(dev);
-
-       if (ops->dma_supported)
-               return ops->dma_supported(dev, mask);
-
-       return 1;
-}
-
-static inline int dma_set_mask(struct device *dev, u64 mask)
-{
-       struct dma_map_ops *ops = get_dma_ops(dev);
+#define DMA_ERROR_CODE 0
 
-       if (!dev->dma_mask || !dma_supported(dev, mask))
-               return -EIO;
-       if (ops->set_dma_mask)
-               return ops->set_dma_mask(dev, mask);
-
-       *dev->dma_mask = mask;
-
-       return 0;
-}
+#include <asm-generic/dma-mapping-common.h>
 
 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                    enum dma_data_direction dir);
 
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-       struct dma_map_ops *ops = get_dma_ops(dev);
-
-       debug_dma_mapping_error(dev, dma_addr);
-       if (ops->mapping_error)
-               return ops->mapping_error(dev, dma_addr);
-
-       return dma_addr == 0;
-}
-
-#define dma_alloc_coherent(d,s,h,f)    dma_alloc_attrs(d,s,h,f,NULL)
-
-static inline void *dma_alloc_attrs(struct device *dev, size_t size,
-                                   dma_addr_t *dma_handle, gfp_t gfp,
-                                   struct dma_attrs *attrs)
-{
-       struct dma_map_ops *ops = get_dma_ops(dev);
-       void *memory;
-
-       if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
-               return memory;
-       if (!ops->alloc)
-               return NULL;
-
-       memory = ops->alloc(dev, size, dma_handle, gfp, attrs);
-       debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
-
-       return memory;
-}
-
-#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
-
-static inline void dma_free_attrs(struct device *dev, size_t size,
-                                 void *vaddr, dma_addr_t dma_handle,
-                                 struct dma_attrs *attrs)
-{
-       struct dma_map_ops *ops = get_dma_ops(dev);
-
-       if (dma_release_from_coherent(dev, get_order(size), vaddr))
-               return;
-
-       debug_dma_free_coherent(dev, size, vaddr, dma_handle);
-       if (ops->free)
-               ops->free(dev, size, vaddr, dma_handle, attrs);
-}
-
 /* arch/sh/mm/consistent.c */
 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
                                        dma_addr_t *dma_addr, gfp_t flag,